#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
int main()
{
	int n = 0;
	scanf("%d", &n);
	int a = 0;
	int x = 0;
	for (int i = 0; i < n; i++)
	{
		scanf("%d", &a);
		x ^= a;
	}
	if (x == 0)
	{
		printf("sweet\n");
	}
	else
	{
		printf("gui\n");
	}


	return 0;
}